diff --git a/src/main/java/com/cleverthis/interview/DumbBruteSolver.java b/src/main/java/com/cleverthis/interview/DumbBruteSolver.java
index 31bd7fa..ab9c853 100644
--- a/src/main/java/com/cleverthis/interview/DumbBruteSolver.java
+++ b/src/main/java/com/cleverthis/interview/DumbBruteSolver.java
@@ -1,9 +1,7 @@
 package com.cleverthis.interview;
 
 import java.util.Arrays;
-import java.util.Collection;
 import java.util.Collections;
-import java.util.List;
 import java.util.stream.Stream;
 
 /**
diff --git a/src/main/java/com/cleverthis/interview/WriteAwareBruteSolver.java b/src/main/java/com/cleverthis/interview/WriteAwareBruteSolver.java
index 41d99e6..15503a3 100644
--- a/src/main/java/com/cleverthis/interview/WriteAwareBruteSolver.java
+++ b/src/main/java/com/cleverthis/interview/WriteAwareBruteSolver.java
@@ -1,8 +1,6 @@
 package com.cleverthis.interview;
 
-import java.util.Iterator;
 import java.util.TreeSet;
-import org.apache.commons.text.similarity.LevenshteinDistance;
 
 /**
  * This is a write-aware brute solver implementation that uses the levenshtein distance to sort passcode permutations
diff --git a/src/test/java/com/cleverthis/interview/PerformanceAnalyze.java b/src/test/java/com/cleverthis/interview/PerformanceAnalyze.java
index 6c74c8c..520d514 100644
--- a/src/test/java/com/cleverthis/interview/PerformanceAnalyze.java
+++ b/src/test/java/com/cleverthis/interview/PerformanceAnalyze.java
@@ -1,7 +1,5 @@
 package com.cleverthis.interview;
 
-import com.cleverthis.interview.padlock.PadlockImpl;
-
 /**
  * Performance test but not mean to run in unit test.
  */
diff --git a/src/test/java/com/cleverthis/interview/SolutionTestBase.java b/src/test/java/com/cleverthis/interview/SolutionTestBase.java
index ed715e3..72598c0 100644
--- a/src/test/java/com/cleverthis/interview/SolutionTestBase.java
+++ b/src/test/java/com/cleverthis/interview/SolutionTestBase.java
@@ -1,6 +1,5 @@
 package com.cleverthis.interview;
 
-import com.cleverthis.interview.padlock.PadlockImpl;
 import org.junit.jupiter.api.Test;
 
 import static org.junit.jupiter.api.Assertions.assertTrue;